huaxingao commented on code in PR #14153:
URL: https://github.com/apache/iceberg/pull/14153#discussion_r2372881583
##########
parquet/src/test/java/org/apache/iceberg/parquet/TestParquetDataWriter.java:
##########
@@ -113,13 +121,17 @@ public void testDataWriter() throws IOException {
List<Record> writtenRecords;
try (CloseableIterable<Record> reader =
Parquet.read(file.toInputFile())
- .project(SCHEMA)
- .createReaderFunc(fileSchema ->
GenericParquetReaders.buildReader(SCHEMA, fileSchema))
+ .project(schema)
+ .createReaderFunc(fileSchema ->
GenericParquetReaders.buildReader(schema, fileSchema))
.build()) {
writtenRecords = Lists.newArrayList(reader);
}
- assertThat(writtenRecords).as("Written records should
match").isEqualTo(records);
+ assertThat(writtenRecords).hasSameSizeAs(records);
+
+ for (int i = 0; i < records.size(); i++) {
+ InternalTestHelpers.assertEquals(schema.asStruct(), records.get(i),
writtenRecords.get(i));
Review Comment:
The logical round‑trip assertions look good. To guard the intended behavior,
could we also verify that the physical Parquet schema is shredded when
`variantShreddingFunc` is set?
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